How to hide the <details> / <summary> arrow in GitHub README?
Cascading Style Sheets • 2026-07-29 11:25

How to hide the <details> / <summary> arrow in GitHub README?

submitted by /u/Gabr1elTeixeira [link] [comments]

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DEV Community • 2026-07-29 11:24

MCP Agents, Explained: What Actually Makes an LLM an "Agent"

Part 1 of 3 — building and testing MCP agents "Agent" has become one of those words that means everything and nothing. So let's ground it. On its own, a large language model does one thing: it turns text into text. Ask it a question, it predicts an answer. It can't look anything up, check a fact against a live system, or take an action in the world. Everything it "knows" is frozen at training ti...

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DEV Community • 2026-07-29 11:21

Social Media Comments as a Support Queue: A Practical Workflow for Developers and Community Teams

A common mistake is treating social comments like a public bulletin board: post something, skim replies when there’s time, and react ad hoc. That works only until the volume increases, the tone shifts, or a real issue shows up. A better mental model is to treat the comment section like an always-on, public support queue with a community layer on top. It’s where people validate your product, ask p...

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DEV Community • 2026-07-29 11:21

Stop Fighting Your Router: Full URL Parsing in React with Zero Dependencies

How many times have you installed a massive routing framework just to parse a query parameter or generate a breadcrumb trail? In lightweight React applications, embedding heavy-weight navigation packages just to read from window.location feels like overkill. Yet, writing your own state listeners to safely track dynamic changes—especially programmatic updates via history.pushState—is surprisingly...

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73% of Organizations Say They Are Not Fully Ready for a Major Cyberattack
The Hacker News • 2026-07-29 11:13

73% of Organizations Say They Are Not Fully Ready for a Major Cyberattack

Most organizations have incident response plans, security tools, and technical teams in place. Yet new research suggests that many still lack the coordination, visibility, and executive alignment needed to withstand a serious cyberattack. According to The State of Incident Response Readiness 2026, based on a survey of 600 senior IT security decision makers conducted by Vanson Bourne in January

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DEV Community • 2026-07-29 11:13

How Compilers Work — From text you wrote to instructions a CPU runs.

From text you wrote to instructions a CPU runs. A compiler is a translator with several passes. It reads your source, checks it makes sense, and lowers it step by step into machine code — optimizing along the way. The classic phases Lexing. Break the source into tokens: keywords, identifiers, literals. Parsing. Assemble tokens into an abstract syntax tree following the grammar. Se...

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DEV Community • 2026-07-29 11:07

How I Built a JSON to CSV Converter That Actually Handles Nested Objects

Hey everyone! 👋 If you work in IT and constantly deal with APIs or data analytics, you've probably had to convert a complex JSON file into a CSV. Most JSON-to-CSV converters choke on nested data. You drop in an API response with embedded objects and arrays, and you get either a broken CSV or [object Object] in every cell. 🤦‍♂️ I got tired of this and built JSONCSV.tools — a zero-backend conver...

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DEV Community • 2026-07-29 11:05

10 Next.js Performance Mistakes That Slow Down Production Apps

A Next.js application can feel fast during development and still become painfully slow after deployment. Local development usually runs with a small database, almost no network latency, limited traffic, and cached browser resources. Production introduces larger datasets, real users, third-party scripts, slower devices, remote services, and more complex rendering paths. The framework already prov...

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Hacker News: Front Page • 2026-07-29 11:05

KOReader

Article URL: https://koreader.rocks/ Comments URL: https://news.ycombinator.com/item?id=49095865 Points: 30 # Comments: 3

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DEV Community • 2026-07-29 11:04

Building a Real-Time Word Counter in JavaScript

Why Build One? Whether you are building a modern CMS, an in-browser markdown editor, or a custom blogging platform, real-time text analysis is a fundamental utility. While a basic word count might seem simple at first glance, accurately handling edge cases such as non-standard whitespace, multi-line line breaks, symbols, and reading time estimates requires a firm understanding of string manipulati...

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DEV Community • 2026-07-29 11:00

Automatic Error Recovery in AI Agent Networks

In a single-agent system, failure is simple: the agent errors, you retry. In multi-agent systems, failure is a graph problem. The Cascade Failure Problem Agent A: ✅ Success Agent B: ❌ Timeout (depends on A) Agent C: ❌ Skipped (depends on B) Agent D: ❌ Partial data (depends on C) One timeout propagates through the entire pipeline. Without recovery, your system is fragile. ...

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DEV Community • 2026-07-29 11:00

Building with mini, Part 8/9: Health commands — changelog and doctor

In Part 7 we had the instrument panel: where am I, one step back, which model. Two commands remain, the ones that watch the project's health — not the phase state, but whether the whole thing holds together. changelog (what changed, and when, for users) and doctor (whether the mini setup is in order). Both read-only, both Claude-free. changelog — what has piled up Remember Part 4? Ever...

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Russia Charges Telegram Founder Pavel Durov With Aiding Terrorist Activity
The Hacker News • 2026-07-29 11:00

Russia Charges Telegram Founder Pavel Durov With Aiding Terrorist Activity

The Federal Security Service of the Russian Federation (FSB) on Wednesday said it charged Telegram founder Pavel Durov for allegedly facilitating terrorist activities and for failing to remove prohibited information in violation of Russian law. The principal security agency said the instant messaging platform "failed to remove numerous channels, chats, and bots on the platform that are

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Flavio Copes • 2026-07-29 11:00

How I turned fstack into a software factory

How I use fstack, GPT-5.6 Sol, bounded subagents, repository context, and review gates to build many software products without losing control.

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Hacker News: Front Page • 2026-07-29 10:59

Starling: The first real desktop written by AI

Article URL: https://starling.build/ Comments URL: https://news.ycombinator.com/item?id=49095823 Points: 7 # Comments: 1

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DEV Community • 2026-07-29 10:58

Reliable Corporate Transportation Services for Business Travel

Ensure smooth and professional business travel with our Corporate Transportation Services. We provide reliable, comfortable, and punctual transportation solutions for executives, employees, clients, and corporate guests. Our experienced chauffeurs and premium fleet are dedicated to delivering safe, efficient, and stress-free travel for airport transfers, business meetings, conferences, corporate e...

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DEV Community • 2026-07-29 10:57

Document pseudonymization for AI assistants: sending the spreadsheet without sending the customers

Your code is not the only thing leaking into AI prompts. The Excel file with your customer list, the Word contract, the HR email thread — those go too. Here's how to let the AI work on them without a single real name leaving the machine. The request that started this The pattern shows up in every company that adopts AI assistants, usually within weeks: "Can you summarize this cont...

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Vispero Training • 2026-07-29 10:57

Vispero Connect: July 2026 – Introducing Sid Gaitonde, Catching Up With Brian Hartgen, and More AI Tips From Mohammed Laachir

In this episode, we welcome Sid Gaitonde, Vispero’s new CEO. Brian Hartgen shares the latest news from Hartgen Consultancy. Mohammed Laachir answers some of your questions about agentic AI. And Elizabeth Whitaker previews upcoming webinars from our Training Department. Activate to listen, right-click to download. Transcript coming soon.

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Hacker News: Front Page • 2026-07-29 10:56

We Hardened an AI Security Platform Against 16 Critical Vulnerabilities

Article URL: https://aegis-security.higgsfield.app Comments URL: https://news.ycombinator.com/item?id=49095787 Points: 6 # Comments: 0

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DEV Community • 2026-07-29 10:55

One analytics codebase, three runtimes (web, native, offline)

Here's a failure mode I was determined to avoid: the season page says a player shoots 62%, the live view says 58%, and the native app says 60% — all for the same player, same games. Three numbers, three slightly different implementations, zero trust. This is post #3 in my build-in-public series about SportsFlow. The fix was to make the analytics a single thing that runs in all three places. ...

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